summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/bus/abcbus/lux21046.h
blob: 2817e155dddb0fc62bc5b9f4abb10bd181902f5a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************

    Luxor 55 21046-11/-21/-41 5.25"/8" Controller Card emulation

    Copyright MESS Team.
    Visit http://mamedev.org for licensing and usage restrictions.

*********************************************************************/

#pragma once

#ifndef __LUXOR_55_21046__
#define __LUXOR_55_21046__

#include "emu.h"
#include "abcbus.h"
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "machine/wd_fdc.h"
#include "machine/z80dma.h"



//**************************************************************************
//  MACROS / CONSTANTS
//**************************************************************************

#define ADDRESS_ABC832          44
#define ADDRESS_ABC830          45
#define ADDRESS_ABC838          46


#define DRIVE_TEAC_FD55F        0x01
#define DRIVE_BASF_6138         0x02
#define DRIVE_MICROPOLIS_1015F  0x03
#define DRIVE_BASF_6118         0x04
#define DRIVE_MICROPOLIS_1115F  0x05
#define DRIVE_BASF_6106_08      0x08
#define DRIVE_MPI_51            0x09
#define DRIVE_BASF_6105         0x0e
#define DRIVE_BASF_6106         0x0f



//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

// ======================> luxor_55_21046_device

class luxor_55_21046_device :  public device_t,
							   public device_abcbus_card_interface
{
public:
	// construction/destruction
	luxor_55_21046_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);

	// optional information overrides
	virtual const rom_entry *device_rom_region() const;
	virtual machine_config_constructor device_mconfig_additions() const;
	virtual ioport_constructor device_input_ports() const;

	// not really public
	DECLARE_READ8_MEMBER( out_r );
	DECLARE_WRITE8_MEMBER( inp_w );
	DECLARE_WRITE8_MEMBER( _4b_w );
	DECLARE_WRITE8_MEMBER( _9b_w );
	DECLARE_WRITE8_MEMBER( _8a_w );
	DECLARE_READ8_MEMBER( _9a_r );

	DECLARE_WRITE_LINE_MEMBER( dma_int_w );

	DECLARE_READ8_MEMBER(memory_read_byte);
	DECLARE_WRITE8_MEMBER(memory_write_byte);
	DECLARE_READ8_MEMBER(io_read_byte);
	DECLARE_WRITE8_MEMBER(io_write_byte);

	void fdc_intrq_w(bool state);
	void fdc_drq_w(bool state);

protected:
	// device-level overrides
	virtual void device_start();
	virtual void device_reset();

	// device_abcbus_interface overrides
	virtual void abcbus_cs(UINT8 data);
	virtual int abcbus_csb();
	virtual UINT8 abcbus_inp();
	virtual void abcbus_out(UINT8 data);
	virtual UINT8 abcbus_stat();
	virtual void abcbus_c1(UINT8 data);
	virtual void abcbus_c3(UINT8 data);
	virtual void abcbus_c4(UINT8 data);

private:
	required_device<cpu_device> m_maincpu;
	required_device<z80dma_device> m_dma;
	required_device<fd1793_t> m_fdc;
	required_device<floppy_connector> m_floppy0;
	required_device<floppy_connector> m_floppy1;
	floppy_image_device *m_floppy;
	required_ioport m_sw1;
	required_ioport m_sw2;
	required_ioport m_sw3;

	bool m_cs;                  // card selected
	UINT8 m_status;             // ABC BUS status
	UINT8 m_out;                // ABC BUS data in
	UINT8 m_inp;                // ABC BUS data out
	bool m_fdc_irq;             // FDC interrupt
	int m_dma_irq;              // DMA interrupt
	int m_busy;                 // busy bit
	int m_force_busy;           // force busy bit
};


// device type definition
extern const device_type LUXOR_55_21046;


// default input ports
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc830_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc832_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc834_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc838_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc850_fast )[];



#endif